GPTProto

We’ve used mods to build features like /diff and AGENTS.md support. We hope you find them as useful (and fun) as we do, and can't wait to...

X:Claude Devs (@ClaudeDevs)·Oct 2, 2026, 2:08 AM·Anthropic / Claude

We’ve used mods to build features like /diff and AGENTS.md support. We hope you find them as useful (and fun) as we do, and can't wait to see what you build!

https://claude.com/blog/claude-code-mods